package cn.bone.sentinel.conf;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * Created by Administrator on 2017/12/5.
 */
@Component
public class SpringFactory implements ApplicationContextAware {
    private static ApplicationContext context;
    private static Logger logger = LoggerFactory.getLogger(SpringFactory.class);

    //获取applicationContext
    public static ApplicationContext getApplicationContext() {
        return context;
    }

    @Override
    public void setApplicationContext(ApplicationContext applicationContext)
            throws BeansException {

        if(context==null){
            context = applicationContext;
            logger.info("SpringFactory init...");
        }
    }

    /**
     *  通过name获取Bean
     */
    public static Object getBean(String name){
        return getApplicationContext().getBean(name);
    }

    /**
     * 通过class获取Bean
     */
    public static <T> T getBean(Class<T> clazz){
        return getApplicationContext().getBean(clazz);
    }

    /**
     *  通过name,以及Clazz返回指定的Bean
     */
    public static <T> T getBean(String name,Class<T> clazz){

        return getApplicationContext().getBean(name, clazz);
    }
}
